Overview
The MC78L05ABDG is a linear voltage regulator from onsemi, designed to provide a regulated output voltage of 5V with a maximum current of 100 mA. This regulator is part of the MC78L00A series, known for its simplicity, low cost, and robust performance. It features internal current limiting and thermal shutdown, making it highly reliable and rugged. The MC78L05ABDG does not require external components in many applications, offering a significant performance advantage over traditional zener diode-resistor combinations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.0 | Vdc |
| Output Current | 100 | mA |
| Input Voltage Range | 6.7 to 30 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | 55 to 150 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | 11 to 60 | mV |
| Dropout Voltage (TJ = +25°C) | 1.7 | Vdc |
| Ripple Rejection (IO = 40 mA, f = 120 Hz) | 49 | dB |
| Input Bias Current (TJ = +25°C) | 3.8 to 6.0 | mA |
| Temperature Range | -40°C to +125°C | |
| Package | SOIC-8 |
Key Features
- Internal Short Circuit Current Limiting: Protects the device from short circuit conditions.
- Internal Thermal Overload Protection: Ensures the device does not overheat.
- No External Components Required: Simplifies the design and reduces the need for additional components in many applications.
- Low Cost: Economical solution for voltage regulation needs.
- Pb-Free Packages Available: Compliant with environmental regulations.
- Complementary Negative Regulators Offered (MC79L00 Series): Allows for both positive and negative voltage regulation in a system.
Applications
The MC78L05ABDG is suitable for a variety of applications that require a stable 5V supply, including but not limited to:
- Industrial control systems
- Consumer electronics
- Automotive systems (with the NCV prefix for automotive-grade reliability)
- Medical devices
- General-purpose voltage regulation in electronic circuits
Q & A
- What is the output voltage of the MC78L05ABDG?
The output voltage is 5.0 Vdc. - What is the maximum output current of the MC78L05ABDG?
The maximum output current is 100 mA. - What is the input voltage range for the MC78L05ABDG?
The input voltage range is from 6.7 Vdc to 30 Vdc. - Does the MC78L05ABDG have internal current limiting and thermal shutdown?
Yes, it does. - What is the dropout voltage of the MC78L05ABDG?
The dropout voltage is 1.7 Vdc. - What is the ripple rejection of the MC78L05ABDG at 120 Hz?
The ripple rejection is 49 dB. - What is the temperature range for the MC78L05ABDG?
The temperature range is -40°C to +125°C. - In what package is the MC78L05ABDG available?
The MC78L05ABDG is available in the SOIC-8 package. - Is the MC78L05ABDG Pb-free?
Yes, Pb-free packages are available. - Are complementary negative regulators available for the MC78L05ABDG?
Yes, the MC79L00 Series offers complementary negative regulators.
